Perceptual counterparts of a series of conservation of length tests were presented to subjects who were categorized as conservers or nonconservers conservation of length pre-tests, and to conservers and nonconservers given conservation length training. Perceptual performance of the untrained nonconservers was significantly worse than that of the…

This is a developmental study of the effects, and role, of imagery in retrieving information from long-term memory. In two blocks of trails, first graders, fourth graders and adults determined whether or not various animals are characterized by various properties, first upon consultation of a visual image and then without imagery. (Author/SB)

The author presents a series of programmed exercises designed to help teachers develop the skills necessary to incorporate Piaget's concepts of child intellectual development into effective classroom use. (MB)

Reviewed is research concerning cognitive development of entering college students; the implications for teaching biology and evaluating instructional materials are discussed. (SL)

The concept of classrooms as self-determining communities may be a hindrance to democratic education, since, typically, the main impediment to freedom for the young comes not from external interference but rather from the child's own limitations as to skill and knowledge. (MB)

Article reviews Piaget's views on language and explains why he is not more concerned with this than he is. (AM)

The research reported in this study indicates that cognitive style might be more firmly established in boys of five years than girls. (Author/DE)

Health educators should be aware of people as growth aspiring, with a basic nature of goodness, and that individuals need to experience those qualities within themselves which produce health and a zest for living. (JD)

Five experiments were run to assess imagery performance and perspective-taking in children ages 6 to 11. In Experiments 1-3, children anticipated results of rotating an object. Experiment 4 assessed the same children on a version of the traditional perspective-taking task. Experiment 5 studied children who took extreme approaches. (SB)

Studied were the behavioral characteristics of 60 methadone addicted infants and 53 nonaddicted infants during the first year of life (neonatal period, and at 3, 6, and 12 months of age). (PT)

This study tested the hypothesis that objective and subjective responsibility responses in moral judgment may be formally equal forms of cognitive organization. Results showed that subjects acting as offenders gave subjective responsibility responses; the same subjects acting as offended gave objective responsibility responses. Thus, subjects'…

The locus of facilitation due to rehearsal was investigated in three experiments with first-grade children. Several difference overt acquisition strategies in a four-item sequential memory task were compared, including ordered repetition, item repetition, item labeling, and free strategy conditions. (Author/SB)

This guide is written for environmental educators who are interested in learning more about how and why young children think and act, and how they can use this information to design developmentally appropriate programs and activities. The sections of this guide become progressively more practical and specific from understanding the basics of how…

This science brief reports on a study that identified the effects of different experiences on critical periods of learning during early brain development. The study found that the presence of corticosterone in a part of the brain called the amygdala determined whether a normally painful experience was learned as an attractive or fearful event.…

Designed for use in in the home and in professional child-care settings, this program presents developmentally appropriate activities to support development of infants from 1 to 2 years of age. Each of the six 2-month long units contains 24 sets of activities call Activity Plans, with the suggestion to use three activity plans per week. Each unit…